Analysis of SO2 Concentration in Air By Microwave Spectroscopy

A. R. Brenner; S. G. Kukolich

doi:10.1080/00032717308058722

Analysis of SO₂ Concentration in Air By Microwave Spectroscopy

A. R. Brenner, S. G. Kukolich

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Low concentrations of SO₂ in air were measured using a Stark modulated microwave spectrometer. Measurement of the intensity of absorption lines for rotational transitions gives a quantitative measure of the concentration of specific small molecules. Concentrations of 20 ppm of SO₂ in air were easily detected with a signal-to-noise ratio of over 20/1 with a 5 sec time constant using a straightforward sample concentration technique.

Original language	English (US)
Pages (from-to)	691-697
Number of pages	7
Journal	Analytical Letters
Volume	6
Issue number	8
DOIs	https://doi.org/10.1080/00032717308058722
State	Published - Aug 1 1973
Externally published	Yes

Keywords

microwave spectroscopy
pollution
sulphur dioxide

ASJC Scopus subject areas

Analytical Chemistry
Biochemistry
Spectroscopy
Clinical Biochemistry
Biochemistry, medical
Electrochemistry

Access to Document

10.1080/00032717308058722

Cite this

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title = "Analysis of SO2 Concentration in Air By Microwave Spectroscopy",

abstract = "Low concentrations of SO2 in air were measured using a Stark modulated microwave spectrometer. Measurement of the intensity of absorption lines for rotational transitions gives a quantitative measure of the concentration of specific small molecules. Concentrations of 20 ppm of SO2 in air were easily detected with a signal-to-noise ratio of over 20/1 with a 5 sec time constant using a straightforward sample concentration technique.",

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AB - Low concentrations of SO2 in air were measured using a Stark modulated microwave spectrometer. Measurement of the intensity of absorption lines for rotational transitions gives a quantitative measure of the concentration of specific small molecules. Concentrations of 20 ppm of SO2 in air were easily detected with a signal-to-noise ratio of over 20/1 with a 5 sec time constant using a straightforward sample concentration technique.

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KW - pollution

KW - sulphur dioxide

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